ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,516, issued on Oct. 14, was assigned to Dematic Corp. (Grand Rapids, Mich.).
"Sound attenuation for material handling systems" was invented by Eric Ahlquist (Belding, Mich.) and Jeffrey S. DeVries (Grand Rapids, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sound attenuated material handling element reduces vibration and sound in a material handling system. The material handling element may be a sound attenuated roller for use in a roller conveyer or a sound attenuated nestable tote for receiving and transporting articles in the material handling system. Reducing vibration in material handling element reduces the noise produced by the eleme...